/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        background-color: #1E1E1E;
        color: #FFFFFF;
        font-family: 'Open Sans', sans-serif;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    /* 导航栏样式 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100%;
        background: linear-gradient(135deg, #00B4D8, #6EE7B7);
        padding-top: 60px;
        box-shadow: 2px 0 5px rgba(0,0,0,0.5);
    }

    .sidebar a {
        display: block;
        color: #FFFFFF;
        padding: 15px 20px;
        text-decoration: none;
        font-size: 16px;
        transition: background 0.3s;
    }

    .sidebar a:hover {
        background: rgba(255, 215, 0, 0.3);
        border-left: 4px solid #FFD700;
    }

    /* 主体内容样式 */
    .main-content {
        margin-left: 250px;
        padding: 20px;
        background: linear-gradient(135deg, #2C2C2C, #1E1E1E);
        min-height: 100vh;
        animation: backgroundMove 15s linear infinite;
    }

    @keyframes backgroundMove {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 头部样式 */
    header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px solid #444;
    }

    header h1 {
        font-family: 'Roboto', sans-serif;
        font-size: 24px;
        color: #A78BFA;
    }

    /* 全局概览样式 */
    .overview {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }

    .overview-card {
        background: #2C2C2C;
        padding: 20px;
        border-radius: 8px;
        width: 48%;
        margin-bottom: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
        transition: transform 0.3s;
    }

    .overview-card:hover {
        transform: scale(1.05);
    }

    .overview-card h2 {
        font-family: 'Roboto', sans-serif;
        font-size: 20px;
        color: #FFD700;
        margin-bottom: 10px;
    }

    .overview-card p {
        font-family: 'Lato', sans-serif;
        font-size: 16px;
        line-height: 1.6;
    }

    /* 详细内容样式 */
    .details {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .detail-section {
        background: #2C2C2C;
        padding: 20px;
        border-radius: 8px;
        flex: 1 1 45%;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
        transition: transform 0.3s;
    }

    .detail-section:hover {
        transform: scale(1.02);
    }

    .detail-section h3 {
        font-family: 'Roboto', sans-serif;
        font-size: 18px;
        color: #A78BFA;
        margin-bottom: 10px;
    }

    .detail-section p {
        font-family: 'Lato', sans-serif;
        font-size: 14px;
        line-height: 1.6;
    }

    .detail-section pre {
        background: #1E1E1E;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #FFD700;
    }

    /* 示例展示样式 */
    .example-display {
        background: #2C2C2C;
        padding: 20px;
        border-radius: 8px;
        margin-top: 40px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    }

    .example-display h2 {
        font-family: 'Roboto', sans-serif;
        font-size: 20px;
        color: #FF7F50;
        margin-bottom: 10px;
    }

    .example-display article {
        font-family: 'Lato', sans-serif;
        font-size: 14px;
        line-height: 1.6;
    }

    .example-display img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 5px;
        margin: 10px 0;
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        margin-top: 20px;
        font-family: 'Roboto', sans-serif;
        font-size: 16px;
        color: #6EE7B7;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .overview-card, .detail-section {
            width: 48%;
        }
    }

    @media (max-width: 1200px) {
        .overview-card, .detail-section {
            width: 100%;
        }

        .sidebar {
            width: 200px;
        }

        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 20px;
        }

        .overview-card h2 {
            font-size: 18px;
        }

        .detail-section h3 {
            font-size: 16px;
        }
    }

    @media (max-width: 768px) {
        .sidebar {
            position: relative;
            width: 100%;
            height: auto;
            box-shadow: none;
        }

        .main-content {
            margin-left: 0;
        }

        .overview, .details {
            flex-direction: column;
        }

        .overview-card, .detail-section {
            width: 100%;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 18px;
        }

        .overview-card h2 {
            font-size: 16px;
        }

        .detail-section h3 {
            font-size: 14px;
        }

        .sidebar a {
            font-size: 14px;
            padding: 10px 15px;
        }
    }

    @media (max-width: 320px) {
        .overview-card p, .detail-section p {
            font-size: 12px;
        }

        .example-display h2 {
            font-size: 18px;
        }
    }

    /* 按钮样式 */
    .button-primary {
        background-color: #00B4D8;
        border: none;
        color: #FFFFFF;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: box-shadow 0.3s;
        font-family: 'Roboto', sans-serif;
    }

    .button-primary:hover {
        box-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    table, th, td {
        border: 1px solid #444;
    }

    th, td {
        padding: 10px;
        text-align: left;
        font-family: 'Lato', sans-serif;
        font-size: 14px;
    }

    th {
        background-color: #00B4D8;
        color: #FFFFFF;
    }

    /* 图表样式 */
    .chart-container {
        position: relative;
        width: 100%;
        height: 400px;
        margin-top: 20px;
    }

    /* 过渡动画 */
    .loader {
        animation: fadeIn 2s;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }